Hydraulic Schematic - Genie Z-30/20N Service Manual

REV B
N M L K
COUNTERBALANCE VALVES
SCHEMATIC ITEM RATIO
BF BG BH 3:1
BC BK BL 1.5:1
B C 3:1
BA
BB 4.5:1
BD BE 3:1
BI BJ BM BN 3:1
CHECK VALVES
SCHEMATIC ITEM DESCRIPTION
CA PILOT CHECK VALVE
CB CHECK VALVE
1 (Z30N, Z30NRJ) 2800 psi / 193 bar
(Z34N, Z34DC) 3200 psi / 221 bar
AUXILIARY P1 G1
PRIMARY
PUMP PUMP
0.5 gpm
2.1 gpm
1
1.89 L/min 7.95 L/min
M M
R
O
Q
0.045 inch
1.14 mm
10 MICRON
100 MESH
H
HYDRAULIC RESERVOIR
T1
HS0079C
J I H
PRESSURE
2500 PSI
3000 PSI
3000 PSI
3000 PSI
3200 PSI
3300 PSI
STEER
CYLINDER
M M
BRAKES
L
N.O.
COM
T
N.C.
BRAKE PS S1 S2 T2 P2
N
0.045 inch
1.14 mm M
J
P I
S
0.035 inch
0.89 mm 0.8 gpm
3 L/min
FUNCTION MANIFOLD
June 2011
G F E
JIB BOOM
JIB BOOM ROTATE
(Z30NRJ)
ROTATE MANIFOLD
(JIB BOOM)
BI BJ BK
3300 psi
227.5 bar
3:1
JR1 JR2 J1
AA AB
0.025 inch
0.635 mm
P
AD
T
PLATFORM LEVELING
JIB BOOM MANIFOLD
SLAVE CYLINDER
SECONDARY BOOM
CYLINDER
TURNTABLE ROTATE
MOTOR
3000 psi
BA 207 bar BB
4.5:1
7.6 cu in/rev
MASTER 124.5 cc/rev
CYLINDER
BC
3000 psi
207 bar
1.5:1
L1 L2 TR1 TR2 SC1
D
E
1600 psi
3000 psi 1100 psi
110 bar
C B
207 bar 75.8 bar
3:1
A Y
X 1.8 gpm
6.8 L/min
W
Part No. 139378
D C B
PLATFORM ROTATE
ROTATE MANIFOLD
(PLATFORM)
BL BM BN
3000 psi 3300 psi
207 bar 227.5 bar
1.5:1 3:1
J2 PR1 PR2
AC
AE
0.3 gpm
1.14 L/min
EXTENSION CYLINDER
(Z30N, Z34N, Z34DC)
PRIMARY BOOM
CYLINDER
0.032 inch
0.81 mm
0.090 inch /
2.29 mm
CA
CB
BF
3200 psi 2500 psi
BD BE
221 bar 172 bar
3:1 3:1
SC2 PC1 PC2 EXT RET
F
1600 psi
110 bar
U V K
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
Section 6 • Schematics

Hydraulic Schematic

A
1
2
3
4
EXTENSION CYLINDER
(Z30NRJ)
5
6
BG BH
2500 psi
172 bar
3:1
7
G
1800 psi
124 bar
K
8
6 - 57